OT-2026-000050459
Publication integrity record
Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000050459) never changes.
Identity and time
| Publication number | OT-2026-000050459 · never reused |
|---|---|
| Internal UUID | 01a0ae82-5c48-7de8-8ee8-b8772d797873 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:36:14.042293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000050459 |
| Status | PUBLIC |
Content hashes
| Canonical text | 764286fc48496e775142673149d1a037ab38bd1892c59ccdb9cb577ac63bbe04 |
|---|---|
| Markdown | 777721ae6ee97efff4429c55ba702b577cc4c910907f73a3879fc998f57d760c |
| Publication page | 7c4194e90714c2f106218f633585019606d413457262a91c7c491ce649670bbe |
| Manifest | 776e2bfa255b5221be3907adc1f3f6c7bf48ab0ec37b4fd45a3abbb69e81d5b6 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | NYFYv/DT4GRzfqBEkzLD5O9NzDLLBOdt3i/+hfLhXZKKLmebjzH8YQUgbncT0nuMYyvABUP0r37J7stYdoIdBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-10-31T16:41:19.415623Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050459observed 7c4194e90714c2f106218f6335850196...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-31T16:41:19.342282Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050459/manifest.jsonobserved 776e2bfa255b5221be3907adc1f3f6c7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T16:41:19.263386Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050459/publication.mdobserved 777721ae6ee97efff4429c55ba702b57...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T16:41:19.181321Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050459/publication.txtobserved 764286fc48496e775142673149d1a037...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T00:42:03.971284Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050459observed 7c4194e90714c2f106218f6335850196...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T00:42:03.886218Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050459/manifest.jsonobserved 776e2bfa255b5221be3907adc1f3f6c7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T00:42:03.812465Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050459/publication.mdobserved 777721ae6ee97efff4429c55ba702b57...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T00:42:03.719203Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050459/publication.txtobserved 764286fc48496e775142673149d1a037...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|